The Monolith: Black Ballistic Nylon | Full Grain Leather | Aerospace Grade Aluminum We've redefined minimalist wallets as you once knew them. Bland, cheap sheet metal sandwiching your cards is a thing of the past. The PROOF Wallet incorporates fine top grain leather and aerospace metals into a sleek, ultra functional minimalist design. It allows carrying up to 25 cards safely and securely with built in RFID Blocking internal materials. We've topped it off with a snug cash strap on the back and an intuitive pull strap on the front for easy card access. We are so confident in our wallets' quality, we back it with our UNRIVALED Guarantee and no questions asked, full refund/return policy with no expiration date. With PROOF, minimalist wallets are no longer just for high school kids. Upgrade your wallet with a professional, durable, and ultra functional Proof Wallet. * 2.25" W x 3.75" H x ~0.5" T (Based on card load) * Weight: 49.5 Grams * Materials: Ballistic Nylon | Full Grain Leather | Aerospace Grade Aluminum * Card Capacity: Up to 25 Cards & 20 Bills * RFID Blocking * Lifetime Warranty (A real one, not a deceptive "limited" lifetime warranty. If you have issues, we're solving them immediately — for life) * No-Questions-Asked Full Refund/Return Policy ***Patent Pending***